Los Angeles Water Audit and Retro-Commissioning Report

Data entry guidance for a select set of Plumbing inputs for Los Angeles Water Audit and Retro-Commissioning Reports are provided below.

Toilets

Valve Type - Toilet valves are found near the mechanism that flushes the toilet. Exposed valves are visible to the user such as those on traditional toilets with a handle for flushing. Concealed valves are hidden from the user, often behind a wall. Examples are toilets with buttons or sensors that automatically flush toilets.

Rated Flush Volume - Flush volume is the gallons per flush (GPF) used by the toilet. To find the gpf for your toilet: 1) Look on the bowl right behind the seat hinge for a gpf label or stamp. 2) Lift the tank lid and check inside the toilet tank for a gpf or date stamp. The date stamp can provide an estimate if there is no gpf stamp. Toilets built after 1994 are 1.6 gpf or less and those built after 2014 are 1.28 gpf or less. Toilets built before 1994 may be greater than 1.6 gpf.

Urinals

Valve Type - Urinal valves are found near the mechanism that flushes the urinal. Exposed valves are visible to the user such as those on traditional urinals with a handle for flushing. Concealed valves are hidden from the user, often behind a wall. Examples are urinals with buttons or sensors that automatically flush toilets.

Rated Flush Volume - Urinals are often stamped with their gallons per flush (gpf) near the brand logo on the porcelain. Urinals without a gpf stamp manufactured between 1992 – 2014 were required to use no more than 1 gpf. Those built after 2014 are required to be 0.5 gpf or less. Urinals installed after 2015 use 0.125 gpf or less.

Faucets

Has Aerator - Aerators screw on to the faucet to reduce water flow. Faucets with visible male or female threads do not have an aerator installed.

Rated Flow Volume - The gallons per minute (gpm) is printed on the side of the aerator.

Actual Flow Volume - To measure the actual gallons per minute get a one gallon container, and time how long it takes to fill it with water. The formula to find GPM is 60 divided by the seconds it takes to fill a one gallon container (60 / seconds = GPM). Example: The one gallon container fills in 5 seconds.

Showerheads

Rated Flow Volume - Gallons per minute (gpm) is stamped on the showerhead.